The final ratings for Let's Kill Hitler have been released by BARB.

Let's Kill Hitler was watched by 8.1 Million viewers, which is up 1.9 million on the unofficial overnight ratings.

This made Doctor Who the most watched program on the day for BBC One, and it also made it the highest watched 8th episode for an episode since the 2005 relaunch.

The figues do not include those watching on iPlayer, where Let's Kill Hitler has already been accessed over 1 million times.